package com.wxtf.platform.tools;

import java.security.*;
/**
 * <li>Title: MD5.java</li>
 * <li>Project: WorkFrame</li>
 * <li>Package: studio.crescent.common</li>
 * <li>Description: </li>
 * <li>Copyright: Copyright (c) 2010</li>
 * <li>Company: Crescent Studio </li>
 * <li>Created on 2010-11-22 下午04:37:25</li>
 *
 * @author chun_chang
 * @version 1.0
 *
 */
public class MD5{
    public final static String md5(String s) {
        char hexDigits[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd','e', 'f'};
        try {
            byte[] strTemp = s.getBytes();
            MessageDigest mdTemp = MessageDigest.getInstance("MD5");
            mdTemp.update(strTemp);
            byte[] md = mdTemp.digest();
            int j = md.length;
            char str[] = new char[j * 2];
            int k = 0;
            for (int i = 0; i < j; i++) {
                byte byte0 = md[i];
                str[k++] = hexDigits[byte0 >>> 4 & 0xf];
                str[k++] = hexDigits[byte0 & 0xf];
            }
            return new String(str);
        } catch (Exception e) {
            return null;
        }
    }
    
    public static void main(String args[]){
    	String str = "123456";
    	String aaa = MD5.md5(str);
    	System.out.println(aaa);
    	
    	
    	
    	
    	
    }
    
}
 

